Hewett Gas Field

Summary Information

• Operator: ENI
• Country: UK
• Location: 28 kilometres north-east of Bacton in Norfolk
• Production start: 1969
• Partners: Eni, Perenco
• Type: Gas
• Estimated Reserves:
• Production Volume:

Description

• The field is no longer producing and is being decommissioned
• The Hewett field offshore installations comprised six offshore installations
  • The A Platform, FTP Platform & Q Platform are manned
  • The 52/5 A Platform, B Platform & C Platform are unmanned
• Gas from the processing complex is exported to the Bacton Gas Plant.
• There are six neighbouring fields, which are separate from the main reservoir, but served by the same platforms and infrastructure. These are called Dawn, Deborah, Della, Delilah, Big Dotty and Little Dotty,
• Eni had planned to convert the Hewett Gas Field into a gas storage facility, but it is now being evaluated as a CO,,2,, sequestration site

Contractors

• **Emtunga:** Living quarters for original platform
• **Aquaterra:** Project management from design and onshore fabrication through to offshore installation to create a new well slot
• **Saipem:** Engineering Services for the Platform
• **OTS:** 52/5A & 48/29 Platform Installation
• **McDermott:** Living Quarters - Engineering, procurement, construction, transportation
• **Seaway Heavy Lifting:**
  • T & I of Modules for Hewett Bacton Project
  • Della PLEM and Little Dotty MTM

History

• 1964 - The original seismic cube over the Hewett and D-Fields (Survey PH943F0003) was acquired
• 1969 - Project development approved by UK Government
• 1969 - The Hewett field complex began production
• 2001 - BP sells ARCO's share of the field to Tullow
• 2003 - Tullow acquired Conoco-Phillips stake
• 2005 - Centrica sells its stake to Petrofac
• 2008 - Eni completed the acquisition of a 51.69% equity interest from Tullow
• 2019 - The Cessation of Production application for the field was approved by the OGA

Links

1. Hewett Field Infrastructure, Eni
2. Seaway Heavy Lifting Oil And Gas References
3. Saipem Fixed Offshore Production Facilities Engineering Refe
4. McDermott Platform References
5. FoundOcean Europe Subsea References
6. Emtunga Offshore Platform References
7. Centrica disposes of equity gas interest in Hewett offshore assets
8. BP Fulfils EC Undertaking With Gas Sale To Tullow Oil
9. Tullow Oil – Hewett Rotliegendes Project
10. Proposed sale of Hewett Unit interest to Eni
11. Eni completes acquisition of a large majority stake in the UK off-shore Hewett Unit and the Bacton onshore gas processing terminal to develop storage facilities
12. Assessment of Natural Integrity, Kingsnorth Carbon Capture & Storage Project
13. Hewett Gas Field Decommisioning